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Finding the Fourth Proportional to 27,668.70, 41,453.55 and 16,829.70

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Solution

The fourth proportional to 27,668.70, 41,453.55 and 16,829.70 is: 25,214.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,668.70 : 41,453.55 = 16,829.70 : x
  2. Step 2: Convert to fraction form
    27,668.70/41,453.55 = 16,829.70/x
  3. Step 3: Cross multiply
    27,668.70x = 41,453.55 × 16,829.70
  4. Step 4: Simplify right side
    27,668.70x = 697,650,810.44
  5. Step 5: Solve for x
    x = 697,650,810.44/27,668.70
  6. Step 6: Final answer
    x = 25,214.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.